Random Node Key Generator for Crossbar

This function generates a random node key based on a given node ID, used for node identification in Crossbar.

Technology Stack : Python, Crossbar, random, base64

Code Type : Function

Code Difficulty : Intermediate

                
                    
def random_node_key(node_id):
    """
    Generate a random node key based on a given node ID.
    
    Args:
        node_id (str): The unique identifier for the node.
    
    Returns:
        str: A random node key.
    """
    import random
    import crossbar
    from crossbar.util import base64

    node_key = f"node_{node_id}"
    random_bytes = random.getrandbits(128)
    encoded_key = base64.encodebytes(random_bytes).decode('utf-8')
    return f"{node_key}:{encoded_key}"